MIDI (Musical Instrument Digital Interface)/Definition: Difference between revisions
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A digital encoding of music in which each [[Note (music)|note]] is assigned a numeric value with A4 (440 Hz; the A above middle C) given the number 69. Various codes allow selection of [[timbre]] and of [[Envelope function#Example: Sound envelope|sound envelope]]. | A digital encoding of music in which each [[Note (music)|note]] is assigned a numeric value with A4 (440 Hz; the A above middle C) given the number 69, and adjacent notes tuned according to equal temperament in the frequency ratio 2<sup>1/12</sup>. Various codes allow selection of [[timbre]] and of [[Envelope function#Example: Sound envelope|sound envelope]]. | ||
Latest revision as of 09:19, 27 June 2012
A digital encoding of music in which each note is assigned a numeric value with A4 (440 Hz; the A above middle C) given the number 69, and adjacent notes tuned according to equal temperament in the frequency ratio 21/12. Various codes allow selection of timbre and of sound envelope.